/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package lintulaskenta.servlet;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import lintulaskenta.entity.Reitti;
import lintulaskenta.rekisteri.ReittiRekisteri;

/**
 *
 * @author amjaalto
 */
public class HaeReittiKoordinaateillaServlet extends HttpServlet {
   
    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    private RequestDispatcher dispatcher;
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        dispatcher = request.getRequestDispatcher("newjsp.jsp");

        Reitti r;
        ReittiRekisteri rekisteri = new ReittiRekisteri();

        String ita = request.getParameter("itakoordinaatit");
        String pohjoinen = request.getParameter("pohjoiskoordinaatit");
        List<Reitti> rlist = null;
        try {
            rlist =
            rekisteri.haeReititKoordinaattienValista(Integer.parseInt(ita.substring(0, 3)),
                                                     Integer.parseInt(ita.substring(4, 7)),
                                                     Integer.parseInt(pohjoinen.substring(0, 3)),
                                                     Integer.parseInt(pohjoinen.substring(4, 7)));
            //r = rlist.remove(0);
            //request.setAttribute("tapahtumat", r.getHavainnointitapahtumat());
            request.setAttribute("reitit", rlist);
            if (rlist.size() == 0)
                request.setAttribute("eiReittia", "Reittiä ei löydy!");

        } catch (Exception e) {
            request.setAttribute("eiReittia", "Reittiä ei löydy!");
        }
        dispatcher.forward(request, response);
    } 

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    } 

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
